FWD 2 Commission E: Horsetail herb

  The Commission E Monographs

Horsetail herb


Equiseti herba
Schachtelhalmkraut
Published September 18, 1986

Name of Drug

Equiseti herba, horsetail herb.  

Composition of Drug

Horsetail consists of the fresh or dried, green, sterile stems of Equisetum arvense L.  [Fam.  Equisetaceae], as well as its preparations in effective dosage.  

The herb contains silicic acid and flavonoids.  

Uses

Internal:

  • Post-traumatic and static edema.  Irrigation therapy for bacterial and inflammatory diseases of the lower urinary tract and renal gravel.  

External:

  • Supportive treatment for poorly healing wounds.  

Contraindications

None known.  

Note:No irrigation therapy in case of edema due to impaired heart and kidney function.  

Side Effects

None known.  

Interactions with Other Drugs

None known.  

Dosage

Unless otherwise prescribed:

Internal:
Average daily dosage:

  • 6 g of herb;
  • equivalent preparations.  

External use in compresses:

  • 10 g of herb to 1 liter of water.  

Mode of Administration

Internal:

  • Comminuted herb for infusions and other galenical preparations for oral administration.  
  • For irrigation therapy, ensure an abundant fluid intake.  

External:

  • Comminuted herb for decoctions and other galenical preparations.  

Action

Mild diuretic